Home / 9,664.29-13,328.69-6,305.49

Finding the Fourth Proportional to 9,664.29, 13,328.69 and 6,305.49

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Solution

The fourth proportional to 9,664.29, 13,328.69 and 6,305.49 is: 8,696.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.29 : 13,328.69 = 6,305.49 : x
  2. Step 2: Convert to fraction form
    9,664.29/13,328.69 = 6,305.49/x
  3. Step 3: Cross multiply
    9,664.29x = 13,328.69 × 6,305.49
  4. Step 4: Simplify right side
    9,664.29x = 84,043,889.98
  5. Step 5: Solve for x
    x = 84,043,889.98/9,664.29
  6. Step 6: Final answer
    x = 8,696.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.